<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <!--搜索与添加区域-->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!--用户列表区域-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="姓名" prop="name"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="phone"></el-table-column>
        <el-table-column label="角色" prop="roleName"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scope">
            <el-switch v-model="scope.row.state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px;">
          <template v-slot="scope">
            <!-- v-slot="scope"-->
            <!--修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!--删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
            <!--分配角色按钮-->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页区域-->
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[1, 2, 5, 10]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>
    </el-card>
    <!--添加用户的对话框-->
    <el-dialog title="添加用户"
               :visible.sync="addDialogVisible"
               width="50%" @close="addDialogClosed">
      <!--内容主体区-->
      <el-form :model="addForm" :rules="addFormRules" label-width="70px">
        <el-form-item label="用户名" prop="name">
          <el-input v-model="addForm.name"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="addForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!--修改用户的对话框-->
    <el-dialog title="修改用户"
               :visible.sync="aditDialogVisible"
               width="50%" @close="aditDialogClosed">
      <!--内容主体区-->
      <el-form ref="aditFormRef" :model="aditForm" :rules="aditFormRules" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="aditForm.name" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="aditForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="aditForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="aditDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="aditUser">确 定</el-button>
      </span>
    </el-dialog>

    <!--分配角色对话框-->
    <el-dialog title="分配角色"
               :visible.sync="setRoleDialogVisible"
               width="50%" @close="setRoleDialogClosed">
      <div>
        <el-form ref="userRef" :model="userInfo" label-width="90px">
          <el-form-item label="当前的用户">
            <el-input v-model="userInfo.name" disabled></el-input>
          </el-form-item>
          <el-form-item label="当前的角色">
            <el-input v-model="userInfo.roleName" disabled></el-input>
          </el-form-item>
          <el-form-item label="分配新角色">
            <el-select v-model="selectRoleId" placeholder="请选择">
              <el-option v-for="item in rolesList"
                         :key="item.id"
                         :label="item.role1"
                         :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
  export default {
    data() {
      // 验证邮箱规则
      var checkEmail = (rule, value, cb) => {
         // 验证邮箱正则表达式
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+/
        if (regEmail.test(value)) {
          return cb()
        }
        cb(new Error('请输入合法的邮箱'))
      }
      // 验证手机号规则
      var checkPhone = (rule, value, cb) => {
        // 验证手机号正则表达式
        const regPhone = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
        if (regPhone.test(value)) {
          return cb()
        }
        cb(new Error('请输入合法的手机号'))
      }
      return {
        // 获取用户列表的参数对象
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 5
        },
        userList: [],
        total: 0,
        // 控制添加用户对话框的显示与隐藏
        addDialogVisible: false,
        // 添加用户表单的数据
        addForm: {
          name: '',
          password: '',
          email: '',
          phone: ''
        },
        // 添加用户表单的验证规则对象
        addFormRules: {
          name: [
            { required: true, message: '请输入的用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入的密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
          email: [
            { required: true, message: '请输入的邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          phone: [
            { required: true, message: '请输入的手机号', trigger: 'blur' },
            { validator: checkPhone, trigger: 'blur' }
          ]
        },
        // 控制修改用户对话框的显示与隐藏
        aditDialogVisible: false,
        // 查询到的用户信息
        aditForm: {},
        // 修改用户表单的验证规则对象
        aditFormRules: {
          email: [
            { required: true, message: '请输入的邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          phone: [
            { required: true, message: '请输入的手机号', trigger: 'blur' },
            { validator: checkPhone, trigger: 'blur' }
          ]
        },
        // 控制分配角色对话框的显示与隐藏
        setRoleDialogVisible: false,
        // 需要被分配角色的用户信息
        userInfo: {},
        // 所有角色的数据列表
        rolesList: [],
        // 已选中的角色id值
        selectRoleId: ''
      }
    },
    created() {
      this.getUserList()
    },
    methods: {
      // 获取用户列表
      async getUserList() {
        const { data: res } = await this.$http.get('Users', { params: this.queryInfo })
        if (!res.state) {
          return this.$message.error(res.text)
        }
        this.userList = res.data.data
        this.total = res.data.total
      },
      // 监听pagesize改变的事件
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getUserList()
      },
      // 监听页码值 改变的事件
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      // 监听 switch 开关状态的改变
      async userStateChanged(userinfo) {
        const { data: res } = await this.$http.post(`/UpdateUserState?users=${userinfo.id}&state=${userinfo.state}`)
        if (!res.state) {
          userinfo.state = !userinfo.state
          return this.$message.error(res.text)
        }
        this.$message.success(res.text)
      },
      // 监听关闭添加用户对话框的关闭事件
      addDialogClosed() {
        this.$refs.addFormRef.resetFields()
      },
      // 点击按钮添加新用户
      addUser() {
        this.$refs.addFormRef.validate(async valid => {
          if (!valid) return false
          const { data: res } = await this.$http.post('Addusers', this.addForm)
          if (!res.state) {
            return this.$message.error(res.text)
          }
          this.$message.success(res.text)
          this.addDialogVisible = false
          this.getUserList()
        })
      },
      // 修改用户信息对话框
      async showEditDialog(id) {
        const { data: res } = await this.$http.get('GetUserInfo?id=' + id)
        if (!res.state) {
          return this.$message.error(res.text)
        }
        this.aditForm = res.data
        this.aditDialogVisible = true
      },
      // 监听关闭修改用户对话框的关闭事件
      aditDialogClosed() {
        this.$refs.aditFormRef.resetFields()
      },
      // 修改用户信息
      async aditUser() {
        this.$refs.aditFormRef.validate(async valid => {
          if (!valid) return false
          const { data: res } = await this.$http.post('Aditusers', this.aditForm)
          if (!res.state) {
            return this.$message.error(res.text)
          }
          this.$message.success(res.text)
          this.aditDialogVisible = false
          this.getUserList()
        })
      },
      // 点击删除用户弹窗提示框
      async deleteUser(id) {
        await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async() => {
          const { data: res } = await this.$http.post('Deleteuser', { id })
          if (!res.state) {
            return this.$message.error(res.text)
          }
          this.$message.success(res.text)
          this.getUserList()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      },
      // 展示分配角色的对话框
      async setRole(userInfo) {
        this.userInfo = userInfo
        // 获取所有角色列表
        const { data: res } = await this.$http.get('GetRoleAll')
        if (!res.state) {
          return this.$message.error(res.text)
        }

        this.rolesList = res.data
        console.log(this.rolesList)
        this.setRoleDialogVisible = true
      },
      // 监听关闭分配角色对话框的关闭事件
      setRoleDialogClosed() {
        this.selectRoleId = ''
        this.userInfo = {}
      },
      // 点击按钮分配角色
      async saveRoleInfo() {
        if (!this.selectRoleId) {
          return this.$message.error('请选择要分配的角色！')
        }
        const { data: res } = await this.$http.post('UpdateUserRole', { userid: this.userInfo.id, rid: this.selectRoleId })
        if (!res.state) {
          return this.$message.error(res.text)
        }
        this.$message.success(res.text)
        this.getUserList()
        this.setRoleDialogVisible = false
      }
    }
}
</script>

<style lang="less" scoped>

</style>
